Update src/content/docs/accesstokenmanagement/index.mdx

Author: maartenba

src/content/docs/accesstokenmanagement/index.mdx

@@ -13,7 +13,7 @@ import { CardGrid, LinkCard } from "@astrojs/starlight/components";
 The `Duende.AccessTokenManagement` library provides automatic access token management features for .NET worker and ASP.NET Core web applications:
 
 - automatic acquisition and lifetime management of client credentials based access tokens for machine-to-machine communication (using the `Duende.AccessTokenManagement` package)
-- automatic access token lifetime management using a refresh token for API calls on-behalf of the currently logged-in user (using the `Duende.AccessTokenManagement.OpenIdConnect` package)
+- automatic access token lifetime management using a refresh token for API calls on behalf of the currently logged-in user (using the `Duende.AccessTokenManagement.OpenIdConnect` package)
 - revocation of access tokens
 
 ## Machine-to-machine token management